




from __future__ import annotations

UpperCamelCase__ :   str						=							list[list[int]]

# assigning initial values to the grid
UpperCamelCase__ :   Matrix						=							[
    [3, 0, 6, 5, 0, 8, 4, 0, 0],
    [5, 2, 0, 0, 0, 0, 0, 0, 0],
    [0, 8, 7, 0, 0, 0, 0, 3, 1],
    [0, 0, 3, 0, 1, 0, 0, 8, 0],
    [9, 0, 0, 8, 6, 3, 0, 0, 5],
    [0, 5, 0, 0, 9, 0, 6, 0, 0],
    [1, 3, 0, 0, 0, 0, 2, 5, 0],
    [0, 0, 0, 0, 0, 0, 0, 7, 4],
    [0, 0, 5, 2, 0, 6, 3, 0, 0],
]

# a grid with no solution
UpperCamelCase__ :   Matrix						=							[
    [5, 0, 6, 5, 0, 8, 4, 0, 3],
    [5, 2, 0, 0, 0, 0, 0, 0, 2],
    [1, 8, 7, 0, 0, 0, 0, 3, 1],
    [0, 0, 3, 0, 1, 0, 0, 8, 0],
    [9, 0, 0, 8, 6, 3, 0, 0, 5],
    [0, 5, 0, 0, 9, 0, 6, 0, 0],
    [1, 3, 0, 0, 0, 0, 2, 5, 0],
    [0, 0, 0, 0, 0, 0, 0, 7, 4],
    [0, 0, 5, 2, 0, 6, 3, 0, 0],
]





def        __UpperCAmelCase						(							lowerCamelCase_ :     Matrix  ,							lowerCamelCase_ :     int  ,							lowerCamelCase_ :     int  ,							lowerCamelCase_ :     int  )       ->  bool:







			"""simple docstring"""





			for i in range(9  ):
						if grid[row][i] == n or grid[i][column] == n:
									return False

			for i in range(3  ):
						for j in range(3  ):
									if grid[(row - row % 3) + i][(column - column % 3) + j] == n:
												return False

			return True





def        __UpperCAmelCase						(							lowerCamelCase_ :     Matrix  )       ->  tuple[int, int] | None:







			"""simple docstring"""





			for i in range(9  ):
						for j in range(9  ):
									if grid[i][j] == 0:
												return i, j
			return None





def        __UpperCAmelCase						(							lowerCamelCase_ :     Matrix  )       ->  Matrix | None:







			"""simple docstring"""





			if location := find_empty_location(lowerCamelCase_  ):
						SCREAMING_SNAKE_CASE_  ,    SCREAMING_SNAKE_CASE_   : Union[str, Any]					  =      location
			else:
						# If the location is ``None``, then the grid is solved.
						return grid

			for digit in range(1  ,							10  ):
						if is_safe(lowerCamelCase_  ,							lowerCamelCase_  ,							lowerCamelCase_  ,							lowerCamelCase_  ):
									SCREAMING_SNAKE_CASE_   : int					  =      digit

									if sudoku(lowerCamelCase_  ) is not None:
												return grid

									SCREAMING_SNAKE_CASE_   : List[str]					  =      0

			return None





def        __UpperCAmelCase						(							lowerCamelCase_ :     Matrix  )       ->  None:







			"""simple docstring"""





			for row in grid:
						for cell in row:
									print(lowerCamelCase_  ,							end=' '  )
						print()


if __name__ == "__main__":
						# make a copy of grid so that you can compare with the unmodified grid
						for example_grid in (initial_grid, no_solution):
												print('''\nExample grid:\n''' + '''=''' * 20)
												print_solution(example_grid)
												print('''\nExample grid solution:''')
												UpperCamelCase__ :   Any						=							sudoku(example_grid)
												if solution is not None:
																		print_solution(solution)
												else:
																		print('''Cannot find a solution.''')









'''simple docstring'''







# Lint as: python3
# pylint: enable=line-too-long
# pylint: disable=g-import-not-at-top,g-bad-import-order,wrong-import-position

lowerCAmelCase_     						=				'''2.13.1'''

import platform

import pyarrow
from packaging import version


if version.parse(platform.python_version()) < version.parse('''3.7'''):
    raise ImportWarning(
        '''To use `datasets`, Python>=3.7 is required, and the current version of Python doesn\'t match this condition.'''
    )

if version.parse(pyarrow.__version__).major < 8:
    raise ImportWarning(
        '''To use `datasets`, the module `pyarrow>=8.0.0` is required, and the current version of `pyarrow` doesn\'t match this condition.\n'''
        '''If you are running this in a Google Colab, you should probably just restart the runtime to use the right version of `pyarrow`.'''
    )

del platform
del pyarrow
del version

from .arrow_dataset import Dataset
from .arrow_reader import ReadInstruction
from .builder import ArrowBasedBuilder, BeamBasedBuilder, BuilderConfig, DatasetBuilder, GeneratorBasedBuilder
from .combine import concatenate_datasets, interleave_datasets
from .dataset_dict import DatasetDict, IterableDatasetDict
from .download import *
from .features import *
from .fingerprint import disable_caching, enable_caching, is_caching_enabled, set_caching_enabled
from .info import DatasetInfo, MetricInfo
from .inspect import (
    get_dataset_config_info,
    get_dataset_config_names,
    get_dataset_infos,
    get_dataset_split_names,
    inspect_dataset,
    inspect_metric,
    list_datasets,
    list_metrics,
)
from .iterable_dataset import IterableDataset
from .load import load_dataset, load_dataset_builder, load_from_disk, load_metric
from .metric import Metric
from .splits import (
    NamedSplit,
    NamedSplitAll,
    Split,
    SplitBase,
    SplitDict,
    SplitGenerator,
    SplitInfo,
    SubSplitInfo,
    percent,
)
from .tasks import *
from .utils import *
from .utils import logging


# deprecated modules
from datasets import arrow_dataset as _arrow_dataset  # isort:skip
from datasets import utils as _utils  # isort:skip
from datasets.utils import download_manager as _deprecated_download_manager  # isort:skip

lowerCAmelCase_     						=				concatenate_datasets
lowerCAmelCase_     						=				DownloadConfig
lowerCAmelCase_     						=				DownloadManager
lowerCAmelCase_     						=				DownloadMode
lowerCAmelCase_     						=				DownloadConfig
lowerCAmelCase_     						=				DownloadMode
lowerCAmelCase_     						=				DownloadManager

del _arrow_dataset, _utils, _deprecated_download_manager


